117th Regiment may refer to:
117th Regiment of Foot (disambiguation), British Army regiments 117th Field Artillery Regiment 117th Light Anti-Aircraft Regiment, Royal Artillery 117th Heavy Anti-Aircraft Regiment, Royal Artillery 117th (7th London) Field Regiment, Royal Artillery 117th Fighter Aviation Regiment
American Civil War regiments 117th Illinois Infantry Regiment 117th Indiana Infantry Regiment 117th New York Infantry Regiment 117th Ohio Infantry Regiment
See also 117th Brigade (disambiguation) 117th Division (disambiguation)